PetroChina wants to smoothly sail away from the oil sand business

[caption id="attachment_821348" align="aligncenter" width="600"] Dover West Leduc. (Image courtesy of Athabasca Oil)[/caption] PetroChina (NYSE:PTR), the Asian country’s largest oil major by market value, doesn’t want a stake in Canada’s oil sands any longer as the ongoing collapse in crude prices...